Elliott, J. P., & Dawber, P. G. (1979). Symmetry in physics. Volume 1: Principles and simple appliocations. Macmillan.
Dyfyniad Arddull ChicagoElliott, J. P., and P. G. Dawber. Symmetry in Physics. Volume 1: Principles and Simple Appliocations. London: Macmillan, 1979.
Dyfyniad MLAElliott, J. P., and P. G. Dawber. Symmetry in Physics. Volume 1: Principles and Simple Appliocations. Macmillan, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.